diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -322,10 +322,10 @@
                 return true;
 
             case OP_DIV:
-                return true;
+                return false;
 
             case OP_MOD:
-                return true;
+                return false;
 
             default:
                 break;
@@ -959,6 +959,8 @@
 
                     case OP_ADD:
                     case OP_SUB:
+                    case OP_DIV:
+                    case OP_MOD:
                     case OP_BOOLAND:
                     case OP_BOOLOR:
                     case OP_NUMEQUAL:
@@ -987,6 +989,24 @@
                                 bn = bn1 - bn2;
                                 break;
 
+                            case OP_DIV:
+                                // denominator must not be 0
+                                if (bn2 == 0) {
+                                    return set_error(serror,
+                                                     SCRIPT_ERR_DIV_BY_ZERO);
+                                }
+                                bn = bn1 / bn2;
+                                break;
+
+                            case OP_MOD:
+                                // divisor must not be 0
+                                if (bn2 == 0) {
+                                    return set_error(serror,
+                                                     SCRIPT_ERR_MOD_BY_ZERO);
+                                }
+                                bn = bn1 % bn2;
+                                break;
+
                             case OP_BOOLAND:
                                 bn = (bn1 != bnZero && bn2 != bnZero);
                                 break;
diff --git a/src/script/script.h b/src/script/script.h
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -265,6 +265,20 @@
         return operator-(rhs.m_value);
     }
 
+    inline CScriptNum operator/(const int64_t &rhs) const {
+        return CScriptNum(m_value / rhs);
+    }
+    inline CScriptNum operator/(const CScriptNum &rhs) const {
+        return operator/(rhs.m_value);
+    }
+
+    inline CScriptNum operator%(const int64_t &rhs) const {
+        return CScriptNum(m_value % rhs);
+    }
+    inline CScriptNum operator%(const CScriptNum &rhs) const {
+        return operator%(rhs.m_value);
+    }
+
     inline CScriptNum &operator+=(const CScriptNum &rhs) {
         return operator+=(rhs.m_value);
     }
diff --git a/src/script/script_error.h b/src/script/script_error.h
--- a/src/script/script_error.h
+++ b/src/script/script_error.h
@@ -37,6 +37,10 @@
     SCRIPT_ERR_INVALID_ALTSTACK_OPERATION,
     SCRIPT_ERR_UNBALANCED_CONDITIONAL,
 
+    /* Divisor errors */
+    SCRIPT_ERR_DIV_BY_ZERO,
+    SCRIPT_ERR_MOD_BY_ZERO,
+
     /* CHECKLOCKTIMEVERIFY and CHECKSEQUENCEVERIFY */
     SCRIPT_ERR_NEGATIVE_LOCKTIME,
     SCRIPT_ERR_UNSATISFIED_LOCKTIME,
diff --git a/src/script/script_error.cpp b/src/script/script_error.cpp
--- a/src/script/script_error.cpp
+++ b/src/script/script_error.cpp
@@ -48,6 +48,10 @@
             return "OP_RETURN was encountered";
         case SCRIPT_ERR_UNBALANCED_CONDITIONAL:
             return "Invalid OP_IF construction";
+        case SCRIPT_ERR_DIV_BY_ZERO:
+            return "Invalid division operation";
+        case SCRIPT_ERR_MOD_BY_ZERO:
+            return "Invalid modulo operation";
         case SCRIPT_ERR_NEGATIVE_LOCKTIME:
             return "Negative locktime";
         case SCRIPT_ERR_UNSATISFIED_LOCKTIME:
diff --git a/src/test/data/script_tests.json b/src/test/data/script_tests.json
--- a/src/test/data/script_tests.json
+++ b/src/test/data/script_tests.json
@@ -847,9 +847,9 @@
 ["2 2 0 IF MUL ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "MUL disabled"],
 ["2 2 0 IF MUL ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "MUL disabled"],
 ["2 2 0 IF DIV ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "DIV disabled"],
-["2 2 0 IF DIV ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "DIV disabled"],
+["2 2 0 IF DIV ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK", "DIV enabled"],
 ["2 2 0 IF MOD ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "MOD disabled"],
-["2 2 0 IF MOD ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "MOD disabled"],
+["2 2 0 IF MOD ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK", "MOD enabled"],
 ["2 2 0 IF LSHIFT ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "LSHIFT disabled"],
 ["2 2 0 IF LSHIFT ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "LSHIFT disabled"],
 ["2 2 0 IF RSHIFT ELSE 1 ENDIF", "NOP", "P2SH,STRICTENC", "DISABLED_OPCODE", "RSHIFT disabled"],
@@ -887,6 +887,34 @@
 ["0 1", "XOR 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OPERAND_SIZE", "XOR, different operand size"],
 ["0x01 0xab 0x01 0xcd", "XOR 0x01 0x66 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK", "XOR, more complex operands"],
 
+["DIV"],
+["1 1", "DIV 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["1 -1", "DIV -1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["-1 1", "DIV -1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["-1 -1", "DIV 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["2 2", "DIV 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["2 -2", "DIV -1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["-2 2", "DIV -1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["-2 -2", "DIV 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["0 1", "DIV 0 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["1 0", "DIV", "P2SH,STRICTENC,MONOLITH_OPCODES", "DIV_BY_ZERO", "DIV, divide by zero"],
+["3 2", "DIV 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK", "Round towards zero"],
+["3 -2", "DIV -1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK", "Round towards zero"],
+["1 1", "DIV DEPTH 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK", "Stack depth correct"],
+["1", "DIV", "P2SH,STRICTENC,MONOLITH_OPCODES", "INVALID_STACK_OPERATION", "Not enough operands"],
+["0", "DIV", "P2SH,STRICTENC,MONOLITH_OPCODES", "INVALID_STACK_OPERATION", "Not enough operands"],
+
+["MOD"],
+["1 1", "MOD 0 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["7 -3", "MOD 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["-7 3", "MOD -1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["10 3", "MOD 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["0 1", "MOD 0 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
+["1 0", "MOD", "P2SH,STRICTENC,MONOLITH_OPCODES", "MOD_BY_ZERO", "MOD, modulo by zero"],
+["1 1", "MOD DEPTH 1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK", "Stack depth correct"],
+["1", "MOD", "P2SH,STRICTENC,MONOLITH_OPCODES", "INVALID_STACK_OPERATION", "Not enough operands"],
+["0", "MOD", "P2SH,STRICTENC,MONOLITH_OPCODES", "INVALID_STACK_OPERATION", "Not enough operands"],
+
 ["EQUAL"],
 ["", "EQUAL NOT", "P2SH,STRICTENC", "INVALID_STACK_OPERATION", "EQUAL must error when there are no stack items"],
 ["0", "EQUAL NOT", "P2SH,STRICTENC", "INVALID_STACK_OPERATION", "EQUAL must error when there are not 2 stack items"],
@@ -902,13 +930,13 @@
 ["2 DUP MUL", "4 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
 ["2 DUP MUL", "4 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["2 DUP DIV", "1 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
-["2 DUP DIV", "1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "disabled"],
+["2 DUP DIV", "1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
 ["2 2MUL", "4 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
 ["2 2MUL", "4 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["2 2DIV", "1 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
 ["2 2DIV", "1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["7 3 MOD", "1 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
-["7 3 MOD", "1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "disabled"],
+["7 3 MOD", "1 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "OK"],
 ["2 2 LSHIFT", "8 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
 ["2 2 LSHIFT", "8 EQUAL", "P2SH,STRICTENC,MONOLITH_OPCODES", "DISABLED_OPCODE", "disabled"],
 ["2 1 RSHIFT", "1 EQUAL", "P2SH,STRICTENC", "DISABLED_OPCODE", "disabled"],
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -91,6 +91,8 @@
     {SCRIPT_ERR_NONCOMPRESSED_PUBKEY, "NONCOMPRESSED_PUBKEY"},
     {SCRIPT_ERR_ILLEGAL_FORKID, "ILLEGAL_FORKID"},
     {SCRIPT_ERR_MUST_USE_FORKID, "MISSING_FORKID"},
+    {SCRIPT_ERR_DIV_BY_ZERO, "DIV_BY_ZERO"},
+    {SCRIPT_ERR_MOD_BY_ZERO, "MOD_BY_ZERO"},
 };
 
 const char *FormatScriptError(ScriptError_t err) {